Variant 1
ECU- Catalog engine
- 3000 306HP
- Engine code
- N55B30M0
- Controller brand
- SIEMENS
- ECU
- MSD85
- Stock power
- 306 HP
- Calibration
- 0044DC0I761SITC2S
BMW · MSD85 ECU · petrol
BMW 3 SERIES MSD85 tuning files
Everything we work with on the BMW 3 SERIES fitted with the MSD85. Stock output across the matched variants spans 170–306 HP. There are 4 distinct variants on file for this combination. Petrol calibration here is about crisp response and a result that holds up day to day. We match the right calibration to your exact software and validate it before delivery.
Available solutions
Solutions that apply to the MSD85 on this petrol platform. The exact set depends on the specific engine and software version.
Engine variants & ECU software
4 distinct variants for the BMW 3 SERIES on the MSD85 ECU. Reference the engine and controller software when you upload.
Variant 2
ECU- Catalog engine
- 2000 170HP
- Generation
- F3x 12/2011-2015
- Matched gains engine
- 320i EDE 170
- Controller brand
- SIEMENS
- ECU
- MSD85
- Stock power
- 170 HP
- Stage 1 power
- 220 HP
- Power increase
- +50 HP (+29%)
- Stock torque
- 250 Nm
- Stage 1 torque
- 310 Nm
- Torque increase
- +60 Nm (+24%)
Variant 3
ECU- Catalog engine
- 2000 170HP
- Engine code
- N43B20O0
- Generation
- F3x 12/2011-2015
- Matched gains engine
- 320i EDE 170
- Controller brand
- SIEMENS
- ECU
- MSD85
- Stock power
- 170 HP
- Stage 1 power
- 220 HP
- Power increase
- +50 HP (+29%)
- Stock torque
- 250 Nm
- Stage 1 torque
- 310 Nm
- Torque increase
- +60 Nm (+24%)
- ECU HW
- 6577975252
- Calibration
- 0044RC0Q950SQBS1S
Variant 4
ECU- Catalog engine
- 2000 170HP
- Engine code
- N43B20O0
- Generation
- F3x 12/2011-2015
- Matched gains engine
- 320i EDE 170
- Controller brand
- SIEMENS
- ECU
- MSD85
- Stock power
- 170 HP
- Stage 1 power
- 220 HP
- Power increase
- +50 HP (+29%)
- Stock torque
- 250 Nm
- Stage 1 torque
- 310 Nm
- Torque increase
- +60 Nm (+24%)
- ECU HW
- 6577975202
- Calibration
- 0044RC0Q960SQBQ2S
Related vehicles
Other vehicles built on the MSD85 controller or the same engine — handy when a platform spans several models and makes.
Questions, answered.
Which tuning solutions are available for the BMW 3 SERIES on the MSD85?
Stage 1, Stage 2, Swirl Flaps Off, Lambda / O2, OPF/GPF Off. The exact set depends on the specific engine and software version.
Do you cover the MSD85 ECU software on this model?
Yes — the BMW 3 SERIES on the MSD85 ECU is part of the catalog. Upload your original file and it is matched to the right calibration before any work is done.
How is the file delivered?
Through the TuningBay workflow with operator validation and one safe, sensible result per job. Files we deliver, we stand behind.